Home / 366,819,487.72-506,000,679.78-229,225,345

Finding the Fourth Proportional to 366,819,487.72, 506,000,679.78 and 229,225,345

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Solution

The fourth proportional to 366,819,487.72, 506,000,679.78 and 229,225,345 is: 316,199,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,819,487.72 : 506,000,679.78 = 229,225,345 : x
  2. Step 2: Convert to fraction form
    366,819,487.72/506,000,679.78 = 229,225,345/x
  3. Step 3: Cross multiply
    366,819,487.72x = 506,000,679.78 × 229,225,345
  4. Step 4: Simplify right side
    366,819,487.72x = 115,988,180,392,805,024
  5. Step 5: Solve for x
    x = 115,988,180,392,805,024/366,819,487.72
  6. Step 6: Final answer
    x = 316,199,613.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.